GB1600689A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- GB1600689A GB1600689A GB7913/78A GB791378A GB1600689A GB 1600689 A GB1600689 A GB 1600689A GB 7913/78 A GB7913/78 A GB 7913/78A GB 791378 A GB791378 A GB 791378A GB 1600689 A GB1600689 A GB 1600689A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voice coil
- loudspeaker
- short
- ring
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO770687A NO138504C (no) | 1977-03-01 | 1977-03-01 | Anordning ved elektrodynamisk hoeyttaler |
NO772855A NO139801C (no) | 1977-08-16 | 1977-08-16 | Anordning ved elektrodynamisk hoeyttaler |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1600689A true GB1600689A (en) | 1981-10-21 |
Family
ID=26647631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7913/78A Expired GB1600689A (en) | 1977-03-01 | 1978-02-28 | Loudspeaker |
Country Status (7)
Country | Link |
---|---|
US (1) | US4160133A (da) |
JP (1) | JPS53131026A (da) |
DE (1) | DE2808578C3 (da) |
DK (1) | DK143879C (da) |
FR (1) | FR2382822B1 (da) |
GB (1) | GB1600689A (da) |
SE (1) | SE424946B (da) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE638970A (da) * | 1962-11-23 | |||
EP0083045B1 (de) * | 1981-12-24 | 1985-11-21 | Eckehard Kort | Ringspaltmagnetsystem, insbesondere für Tiefton-Lautsprecher |
DK156684C (da) * | 1982-02-22 | 1990-02-19 | Mejeriselskabet Danmark Amba | Osteform |
US4598178A (en) * | 1983-12-16 | 1986-07-01 | Rollins William L | Means for critically damping a dynamic loudspeaker |
US4531025A (en) * | 1984-03-19 | 1985-07-23 | Intersonics Incorporated | Loudspeaker with commutated coil drive |
US4897877A (en) * | 1987-05-18 | 1990-01-30 | Oxford Speaker Company | Sub-woofer driver combination with dual voice coil arrangement |
US5062140A (en) * | 1988-04-27 | 1991-10-29 | Sony Corporation | Induction speaker |
WO1990003852A1 (en) * | 1988-10-05 | 1990-04-19 | Fiziko-Tekhnichesky Institut Akademii Nauk Belorusskoi Ssr | Electrodynamic pulse emitter |
DE3940615C1 (en) * | 1989-12-08 | 1991-02-21 | Leo Dipl.-Ing. 3300 Braunschweig De Kirchner | Double diaphragm moving coil loudspeaker - dynamically dampens resonant frequency by cross-coupling second coils of moving coils in opposite phase |
US5519781A (en) * | 1990-10-05 | 1996-05-21 | Kukurudza; Vladimir W. | Self damping speaker matching device and method |
US5373563A (en) * | 1990-10-05 | 1994-12-13 | Kukurudza; Vladimir W. | Self damping speaker matching device |
US5381483A (en) * | 1993-04-05 | 1995-01-10 | Commonwealth Of Puerto Rico | Minimal inductance electrodynamic transducer |
US5615272A (en) * | 1995-11-08 | 1997-03-25 | Kukurudza; Vladimir W. | Single loud speaker drive system |
US5917922A (en) * | 1995-11-08 | 1999-06-29 | Kukurudza; Vladimir Walter | Method of operating a single loud speaker drive system |
DE19637847A1 (de) * | 1996-09-17 | 1998-03-19 | Nokia Deutschland Gmbh | Elektro - akustische Wandler |
US6768806B1 (en) * | 1998-03-19 | 2004-07-27 | Harman International Industries, Incorporated | Shorting rings in dual-coil dual-gap loudspeaker drivers |
US6774510B1 (en) * | 2000-10-25 | 2004-08-10 | Harman International Industries, Inc. | Electromagnetic motor with flux stabilization ring, saturation tips, and radiator |
EP1665878A1 (en) * | 2003-09-16 | 2006-06-07 | Koninklijke Philips Electronics N.V. | High efficiency audio transducer |
US7492918B2 (en) * | 2004-08-17 | 2009-02-17 | Step Technologies Inc. | Audio speaker with graduated voice coil windings |
JP4385981B2 (ja) * | 2005-03-30 | 2009-12-16 | オンキヨー株式会社 | 動電型スピーカー |
US20100246880A1 (en) * | 2009-03-30 | 2010-09-30 | Oxford J Craig | Method and apparatus for enhanced stimulation of the limbic auditory response |
FR2961053B1 (fr) * | 2010-06-04 | 2013-04-12 | Focal Jmlab | Haut-parleur acoustique |
CN102378083A (zh) * | 2010-08-12 | 2012-03-14 | 郭建文 | 动态阻尼中、低音扬声器 |
CN104796828B (zh) * | 2015-05-04 | 2018-05-01 | 歌尔股份有限公司 | 一种扬声器模组 |
KR101915736B1 (ko) * | 2016-04-19 | 2018-11-06 | 모리야마 메이보쿠 가부시키가이샤 | 스피커 장치 및 스피커 장치의 음질 개선 방법 |
US11894187B2 (en) | 2019-08-22 | 2024-02-06 | Husco Automotive Holdings Llc | Systems and methods for multi-stable solenoid |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1767837A (en) * | 1930-04-28 | 1930-06-24 | Atwater Kent Mfg Co | Loud-speaker |
US2269284A (en) * | 1937-12-08 | 1942-01-06 | Rca Corp | Signal translating apparatus |
FR864516A (fr) * | 1939-03-28 | 1941-04-29 | Loewe Opta Gmbh | Perfectionnements aux systèmes de haut-parleurs |
US2489862A (en) * | 1943-01-07 | 1949-11-29 | Gen Electric | Damping for dynamic loudspeakers |
US2556816A (en) * | 1946-12-04 | 1951-06-12 | Technicon Cardiograph Corp | Polarized electromagnetic operator with damped coil armature |
US2769942A (en) * | 1954-11-26 | 1956-11-06 | Fauthal A Hassan | Voice coil for loud speakers |
US3193627A (en) * | 1962-05-31 | 1965-07-06 | Hecht William | High fidelity loudspeakers |
DE1512727A1 (de) * | 1967-02-27 | 1969-05-29 | Peter Mueller | Elektroakustischer Wandler |
DE2134287A1 (de) * | 1971-07-09 | 1973-01-18 | Standard Elektrik Lorenz Ag | Klangveraenderlicher dynamischer lautsprecher mit doppelschwingspule |
SU478457A1 (ru) * | 1973-06-25 | 1975-07-25 | Хабаровский Филиал Центрального Научно-Исследовательского Института "Компас" | Электроакустический преобразователь |
JPS5325419A (en) * | 1976-08-20 | 1978-03-09 | Matsushita Electric Ind Co Ltd | Speaker |
-
1978
- 1978-02-28 SE SE7802264A patent/SE424946B/sv not_active IP Right Cessation
- 1978-02-28 DK DK90378A patent/DK143879C/da active
- 1978-02-28 GB GB7913/78A patent/GB1600689A/en not_active Expired
- 1978-02-28 FR FR7805645A patent/FR2382822B1/fr not_active Expired
- 1978-02-28 DE DE2808578A patent/DE2808578C3/de not_active Expired
- 1978-03-01 US US05/882,464 patent/US4160133A/en not_active Expired - Lifetime
- 1978-03-01 JP JP2215878A patent/JPS53131026A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE424946B (sv) | 1982-08-16 |
FR2382822B1 (fr) | 1985-08-30 |
DE2808578A1 (de) | 1978-09-07 |
FR2382822A1 (fr) | 1978-09-29 |
DE2808578C3 (de) | 1983-12-29 |
DK90378A (da) | 1978-09-02 |
DE2808578B2 (de) | 1982-12-02 |
US4160133A (en) | 1979-07-03 |
SE7802264L (sv) | 1978-09-02 |
DK143879C (da) | 1982-04-05 |
DK143879B (da) | 1981-10-19 |
JPS53131026A (en) | 1978-11-15 |
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NO139801B (no) | Anordning ved elektrodynamisk hoeyttaler | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |